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Science. 2001 Oct 26;294(5543):818-23. Epub 2001 Sep 13.

Biogeography and ecological setting of Indian Ocean hydrothermal vents.

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  • 1Biology Department, College of William & Mary, Williamsburg, VA 23187, USA. cindy_vandover@wm.edu

Abstract

Within the endemic invertebrate faunas of hydrothermal vents, five biogeographic provinces are recognized. Invertebrates at two Indian Ocean vent fields (Kairei and Edmond) belong to a sixth province, despite ecological settings and invertebrate-bacterial symbioses similar to those of both western Pacific and Atlantic vents. Most organisms found at these Indian Ocean vent fields have evolutionary affinities with western Pacific vent faunas, but a shrimp that ecologically dominates Indian Ocean vents closely resembles its Mid-Atlantic counterpart. These findings contribute to a global assessment of the biogeography of chemosynthetic faunas and indicate that the Indian Ocean vent community follows asymmetric assembly rules biased toward Pacific evolutionary alliances.

PMID:
11557843
[PubMed - indexed for MEDLINE]
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